YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | 0.50 | k | 0.79 | 5.51 | b | 6.30 | g | ||||
1949 | 0.27 | o | 2.39 | l | ----- | z | 0.00 | x | 0.57 | 0.00 | 0.00 | 0.09 | 0.00 | 0.12 | 2.75 | 2.78 | 6.31 | d | ||||||||
1950 | 8.87 | 1.68 | 3.03 | 1.82 | 0.80 | 0.00 | 0.00 | 0.00 | y | ----- | z | ----- | z | 10.17 | 7.72 | 34.09 | c | |||||||||
1951 | 4.07 | ----- | z | 2.92 | 0.47 | 0.86 | 0.00 | 0.00 | 0.00 | 0.03 | 1.58 | 4.73 | 9.02 | 23.68 | a | |||||||||||
1952 | 11.49 | 4.21 | 7.53 | 2.73 | 0.33 | 0.09 | 0.00 | 0.00 | 0.13 | 0.05 | 2.57 | 9.04 | 38.17 | |||||||||||||
1953 | 4.12 | 0.00 | 3.78 | 3.43 | 1.27 | 0.37 | 0.00 | 0.19 | 0.00 | 0.56 | 3.12 | 1.29 | 18.13 | |||||||||||||
1954 | 4.25 | 5.10 | 4.71 | 1.53 | 0.15 | 1.10 | 0.00 | 0.00 | 0.00 | 0.03 | 4.01 | 5.18 | 26.06 | |||||||||||||
1955 | 6.39 | 3.65 | 0.94 | 3.49 | 0.75 | 0.00 | 0.00 | 0.00 | 0.00 | d | 0.03 | 1.50 | 21.55 | 38.30 | ||||||||||||
1956 | 9.41 | 3.28 | 0.26 | 2.85 | 1.59 | 0.00 | 0.00 | 0.00 | 0.48 | 3.17 | 0.13 | 1.45 | 22.62 | |||||||||||||
1957 | 3.16 | 4.13 | 3.52 | a | 0.96 | 2.67 | 0.34 | 0.00 | 0.00 | 0.20 | 1.11 | 1.46 | 4.87 | 22.42 | ||||||||||||
1958 | 7.30 | 9.27 | 8.39 | 3.89 | 0.28 | 0.47 | 0.00 | 0.00 | 0.00 | 0.00 | 1.23 | 0.55 | 31.38 | |||||||||||||
1959 | 2.96 | 3.30 | 0.21 | c | 0.52 | 0.04 | 0.00 | 0.00 | 0.00 | 0.71 | 0.01 | 0.00 | 0.00 | c | 7.75 | |||||||||||
1960 | 2.60 | 6.43 | 1.09 | 1.42 | 0.57 | 0.00 | 0.00 | 0.00 | 0.04 | 0.15 | 2.35 | c | 0.56 | 15.21 | ||||||||||||
1961 | 1.04 | 1.67 | 3.13 | 1.67 | 1.36 | 0.04 | 0.00 | 0.00 | 0.14 | 0.39 | 2.15 | 0.68 | 12.27 | |||||||||||||
1962 | 1.63 | 6.32 | 1.99 | 0.65 | 0.00 | 0.03 | 0.00 | 0.00 | c | 0.00 | 1.71 | 0.64 | 1.68 | 14.65 | ||||||||||||
1963 | 1.68 | 2.79 | 4.33 | 4.16 | 0.94 | 0.00 | 0.00 | 0.15 | 0.08 | 1.47 | 3.18 | 0.81 | 19.59 | |||||||||||||
1964 | 3.61 | 0.32 | 2.97 | 0.66 | 1.30 | 0.66 | 0.00 | 0.12 | 0.00 | 0.83 | 4.64 | 10.79 | c | 25.90 | ||||||||||||
1965 | 2.78 | 1.24 | 2.49 | 4.82 | 0.00 | 0.03 | 0.00 | 0.00 | ----- | z | 0.17 | 8.11 | 3.96 | b | 23.60 | a | ||||||||||
1966 | 0.82 | a | 2.43 | a | 0.52 | 0.90 | 0.44 | 0.15 | 0.23 | 0.00 | 0.20 | 0.00 | 3.95 | 2.86 | 12.50 | |||||||||||
1967 | 5.31 | 0.11 | 2.75 | a | 6.24 | a | 0.30 | 0.40 | 0.00 | 0.00 | 0.00 | 0.63 | 1.15 | 3.20 | a | 20.09 | ||||||||||
1968 | 4.10 | 1.00 | 2.75 | 0.40 | 0.51 | 0.00 | 0.00 | 0.33 | 0.00 | 0.95 | 4.67 | 3.94 | a | 18.65 | ||||||||||||
1969 | 6.26 | 7.20 | 1.52 | 1.90 | 0.08 | 0.21 | 0.00 | 0.00 | 0.05 | 0.99 | 1.09 | 2.14 | e | 21.44 | ||||||||||||
1970 | 7.55 | 2.23 | 1.78 | 0.75 | 0.09 | 0.34 | 0.00 | 0.00 | 0.00 | 0.71 | 4.74 | 4.58 | 22.77 | |||||||||||||
1971 | 1.57 | 0.88 | 3.17 | 2.05 | 0.73 | 0.03 | 0.00 | 0.07 | 0.46 | 1.03 | 2.44 | 4.65 | c | 17.08 | ||||||||||||
1972 | 2.29 | a | 1.17 | 0.25 | 1.24 | 0.03 | 0.00 | 0.00 | 0.00 | 0.50 | 2.20 | 6.16 | 2.91 | a | 16.75 | |||||||||||
1973 | 5.53 | 5.59 | 3.98 | 0.50 | 0.10 | 0.00 | 0.00 | 0.00 | 0.78 | 3.07 | 4.05 | 6.86 | 30.46 | |||||||||||||
1974 | 1.65 | a | 1.07 | 3.42 | 4.94 | 0.00 | 0.00 | 0.36 | 0.00 | 0.00 | 3.21 | 1.36 | 1.82 | 17.83 | ||||||||||||
1975 | 3.43 | 5.85 | 5.62 | 3.47 | 0.15 | 0.21 | 0.13 | 0.86 | 0.00 | 3.00 | 1.71 | 0.54 | 24.97 | |||||||||||||
1976 | 0.24 | 1.89 | 1.98 | 1.01 | 0.04 | 0.15 | 0.00 | 0.95 | 1.28 | 1.50 | 1.58 | 0.55 | 11.17 | |||||||||||||
1977 | 2.04 | 2.06 | 3.83 | 0.20 | 1.45 | 0.00 | 0.00 | 0.00 | 0.38 | 0.15 | 1.74 | 3.73 | 15.58 | |||||||||||||
1978 | 5.84 | 3.25 | 4.27 | 4.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 1.49 | 1.37 | 20.50 | |||||||||||||
1979 | 4.17 | 5.20 | 2.72 | 1.28 | 0.96 | 0.00 | 0.25 | 0.07 | 0.00 | 3.59 | 3.70 | 2.47 | a | 24.41 | ||||||||||||
1980 | 6.42 | 4.28 | 1.99 | 2.18 | 0.84 | 0.00 | 0.50 | 0.00 | 0.00 | 0.25 | 0.34 | 1.55 | 18.35 | |||||||||||||
1981 | 5.45 | 1.64 | 5.34 | 0.65 | 0.34 | 0.00 | 0.00 | 0.00 | 0.03 | 2.22 | 4.42 | 3.78 | 23.87 | |||||||||||||
1982 | 4.75 | a | 4.21 | 7.39 | n | 2.09 | a | 0.00 | 0.41 | 0.00 | 0.00 | 1.19 | 1.83 | 7.82 | b | 3.12 | 25.42 | a | ||||||||
1983 | 6.39 | 7.72 | 7.26 | 3.80 | 0.43 | 0.00 | 0.10 | 0.11 | 0.91 | 0.48 | 9.76 | 6.48 | 43.44 | |||||||||||||
1984 | 0.35 | 4.31 | 1.75 | 1.46 | 0.11 | 0.41 | 0.00 | 0.00 | 0.00 | 3.47 | 5.03 | 1.83 | 18.72 | |||||||||||||
1985 | 0.85 | 1.97 | 5.26 | b | 0.62 | 0.30 | a | 0.47 | 0.00 | 0.00 | 0.77 | 1.35 | ----- | z | ----- | z | 11.59 | b | ||||||||
1986 | 2.95 | 7.66 | 4.68 | 1.26 | 0.88 | 0.00 | 0.00 | 0.00 | 1.73 | 0.16 | 1.85 | 1.42 | 22.59 | |||||||||||||
1987 | 3.00 | 3.71 | 3.11 | 1.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.71 | 2.71 | 3.41 | 17.67 | |||||||||||||
1988 | 2.65 | 0.19 | 0.57 | 1.62 | 1.57 | a | 0.52 | 0.00 | 0.00 | 0.02 | 0.00 | 5.84 | 4.68 | a | 17.66 | |||||||||||
1989 | 2.09 | 2.41 | 6.86 | 1.07 | a | 0.19 | 0.00 | 0.00 | a | 0.05 | 1.69 | 2.56 | 1.90 | 0.04 | 18.86 | |||||||||||
1990 | 4.34 | 4.60 | a | 2.58 | a | 0.73 | 3.49 | 0.00 | 0.00 | 0.00 | 1.68 | 0.09 | 0.62 | 1.94 | 20.07 | |||||||||||
1991 | 0.16 | a | 1.46 | 7.84 | a | 0.49 | a | 1.18 | 0.17 | 0.00 | 0.00 | 0.70 | 3.09 | 0.80 | 0.85 | 16.74 | ||||||||||
1992 | 2.40 | 4.65 | 1.85 | c | 0.21 | 0.00 | 0.58 | 0.06 | 0.00 | 0.00 | 1.15 | 1.25 | 8.55 | 20.70 | ||||||||||||
1993 | 9.56 | 5.74 | a | 4.26 | 0.82 | 1.64 | 0.97 | 0.00 | 0.00 | 0.00 | 0.80 | 1.81 | 1.39 | 26.99 | ||||||||||||
1994 | 1.21 | 3.15 | 0.14 | 2.11 | 1.42 | 0.03 | 0.00 | 0.00 | 0.02 | 0.35 | a | 2.76 | d | 1.92 | 13.11 | |||||||||||
1995 | 6.86 | 0.59 | 12.05 | 3.39 | 2.61 | 1.12 | 0.05 | 0.00 | 0.01 | 0.00 | 0.37 | 5.88 | 32.93 | |||||||||||||
1996 | 8.80 | 6.97 | a | 3.70 | 1.68 | 3.03 | b | 0.00 | 0.00 | 0.00 | 0.00 | 3.40 | 6.04 | 11.63 | 45.25 | |||||||||||
1997 | 11.45 | 0.92 | 0.43 | 1.52 | 0.82 | 0.66 | 0.00 | 0.40 | 0.02 | 0.72 | 6.04 | 2.81 | 25.79 | |||||||||||||
1998 | 11.93 | 12.13 | 4.41 | 2.87 | 4.69 | 0.38 | 0.00 | 0.00 | 0.39 | 1.01 | 5.20 | 2.37 | 45.38 | |||||||||||||
1999 | 6.40 | 6.43 | 3.02 | 3.35 | 0.31 | 0.39 | 0.00 | 0.10 | 0.07 | 0.34 | 2.74 | 0.67 | 23.82 | |||||||||||||
2000 | 7.74 | 8.79 | 3.16 | 1.25 | 1.18 | 0.81 | 0.00 | 0.02 | 0.53 | 3.52 | 1.58 | 0.97 | 29.55 | |||||||||||||
2001 | 4.63 | 6.74 | 2.65 | 2.66 | 0.00 | 0.04 | 0.00 | 0.00 | 0.03 | 0.50 | 3.59 | 7.01 | 27.85 | |||||||||||||
2002 | 2.15 | 1.72 | 3.86 | 1.28 | 2.22 | 0.00 | 0.00 | 0.00 | 0.06 | 0.00 | 4.50 | 9.94 | 25.73 | |||||||||||||
2003 | 1.03 | 2.08 | 2.25 | 5.13 | 1.95 | 0.00 | 0.00 | 1.02 | 0.39 | 0.07 | 3.71 | 6.92 | 24.55 | |||||||||||||
2004 | 2.56 | 6.80 | 0.88 | 0.52 | 0.13 | 0.00 | 0.00 | 0.00 | 0.42 | 4.93 | 1.94 | 6.68 | 24.86 | |||||||||||||
2005 | 4.72 | 5.88 | 5.82 | 2.27 | 1.48 | 0.76 | 0.00 | 0.00 | 0.03 | 0.05 | 1.70 | a | 7.36 | 30.07 | ||||||||||||
2006 | 5.14 | 3.43 | 8.07 | 6.16 | 0.74 | 0.00 | 0.00 | 0.00 | 0.00 | 0.57 | 3.31 | 3.88 | 31.30 | |||||||||||||
2007 | 1.09 | 6.67 | 0.82 | 1.05 | 0.22 | 0.03 | 0.03 | 0.00 | 0.35 | 1.87 | 0.97 | 2.32 | 15.42 | |||||||||||||
2008 | 9.07 | 5.37 | 0.83 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.55 | 3.38 | 4.76 | 24.13 | |||||||||||||
2009 | 2.61 | 7.32 | 4.68 | 0.67 | 1.05 | 0.04 | 0.00 | 0.03 | 0.40 | 3.91 | 0.39 | 4.00 | 25.10 | |||||||||||||
2010 | 6.64 | 4.05 | 2.72 | 4.39 | a | 1.36 | 0.03 | 0.00 | 0.00 | 0.02 | 2.51 | 4.87 | 6.90 | 33.49 | ||||||||||||
2011 | 1.65 | t | 5.13 | s | 8.14 | h | 1.03 | t | 1.94 | u | 1.52 | u | 0.00 | 0.00 | ----- | z | ----- | z | 1.76 | f | 0.17 | 0.17 | i | |||
2012 | 3.15 | 1.99 | c | 6.13 | 3.92 | 0.15 | 0.32 | 0.00 | 0.02 | a | 0.02 | 0.48 | 5.22 | a | 6.99 | b | 28.39 | |||||||||
2013 | 1.15 | 0.63 | 1.06 | 1.08 | 0.07 | 0.00 | e | 0.00 | 0.03 | 1.00 | 0.00 | 0.98 | 0.61 | 6.61 | ||||||||||||
2014 | 0.35 | 4.68 | 3.58 | 1.70 | 0.13 | 0.00 | 0.00 | 0.00 | 0.35 | 1.52 | 3.12 | 10.92 | 26.35 | |||||||||||||
2015 | 0.02 | 2.92 | 0.48 | 1.52 | 0.73 | 0.06 | 0.00 | 0.03 | 0.00 | 0.50 | 3.62 | a | 6.67 | a | 16.55 | |||||||||||
2016 | 8.55 | 2.28 | 9.50 | 2.91 | 0.57 | 0.00 | 0.00 | 0.00 | 0.00 | 5.51 | 2.68 | 4.70 | 36.70 | |||||||||||||
2017 | 14.78 | 11.76 | 3.79 | 3.34 | 0.10 | 0.23 | 0.00 | c | 0.00 | 0.28 | 0.31 | 3.82 | 0.16 | 38.57 | ||||||||||||
2018 | 4.80 | 0.56 | 6.58 | 3.76 | 0.13 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 6.25 | 3.10 | 25.29 | |||||||||||||
2019 | 5.78 | 11.57 | 6.91 | 1.40 | 4.73 | 0.00 | 0.00 | 0.00 | 0.09 | 0.08 | 1.65 | 6.36 | 38.57 | |||||||||||||
2020 | 3.12 | 0.00 | 6.26 | 2.94 | 2.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.56 | 2.95 | 17.97 | |||||||||||||
2021 | 5.35 | 2.22 | 4.08 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 6.99 | 0.82 | 11.49 | 31.30 | |||||||||||||
2022 | 0.21 | 0.49 | 0.92 | 2.18 | 0.12 | 0.00 | 0.00 | 0.00 | 2.34 | 0.00 | 2.83 | 15.29 | 24.38 | |||||||||||||
2023 | 12.20 | 6.17 | 9.91 | 0.00 | 1.90 | 0.00 | 0.00 | 0.00 | 0.17 | 0.42 | 1.16 | 5.49 | 37.42 | |||||||||||||
2024 | 7.46 | 7.05 | 7.64 | 3.62 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 22.15 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 4.57 | 3.96 | 3.69 | 2.02 | 0.86 | 0.18 | 0.02 | 0.06 | 0.29 | 1.24 | 3.02 | 4.39 | 24.10 | |||||||||||||
S.D. | 3.31 | 2.90 | 2.59 | 1.50 | 1.03 | 0.28 | 0.08 | 0.19 | 0.49 | 1.49 | 2.20 | 3.86 | 8.63 | |||||||||||||
SKEW | 0.85 | 0.79 | 0.88 | 0.89 | 1.89 | 1.75 | 4.29 | 3.98 | 2.23 | 1.60 | 1.10 | 1.69 | 0.53 | |||||||||||||
MAX | 14.78 | 12.13 | 12.05 | 6.24 | 4.73 | 1.12 | 0.50 | 1.02 | 2.34 | 6.99 | 10.17 | 21.55 | 45.38 | |||||||||||||
MIN | 0.02 | 0.00 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.61 | |||||||||||||
YRS | 74 | 73 | 73 | 73 | 74 | 74 | 76 | 75 | 73 | 73 | 74 | 75 | 68 |